body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #003366;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo img {
    width: 200px;
    height: auto;
}

.college-name span {
    font-size: 24px;
    font-weight: bold;
}

.search input {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px 0 0 4px;
}

.search button {
    padding: 10px;
    border: 1px solid #ccc;
    border-left: none;
    border-radius: 0 4px 4px 0;
    background-color: #f4f4f4;
    cursor: pointer;
}

.search button img {
    width: 20px;
    height: auto;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.ye {
    width: 90%; /* 设置宽度为 90% */
    text-align: center; /* 文本居中 */
    margin: 0 auto 20px; /* 上下外边距分别为 0 和 20px，左右自动居中 */
}

.ye img {
    max-width: 100%; /* 确保图片不会超出容器宽度 */
    height: auto; /* 保持图片的宽高比 */
    display: inline-block; /* 确保图片居中对齐 */
}
.content {
    display: flex;
    width: 100%;
    max-width: 1200px; /* 可以根据需要调整最大宽度 */
    margin: 0 auto;
}

aside {
    width: 30%; /* 左侧宽度 */
    height: 10%;
    background-color: #00549F;
    padding: 20px;
    box-sizing: border-box;
}

article {
    width: 70%; /* 右侧宽度 */
    padding: 20px;
    box-sizing: border-box;
}

.hero {
    width: 100%; /* 占据文章的全部宽度 */
    height: auto; /* 根据内容自动调整高度 */
    text-align: center;
    margin-top: 10px;
}

.hero img {
    width: 80%; /* 图片宽度为父容器的50% */
    height: auto; /* 保持图片的宽高比 */
    display: inline-block;
}
/* 导航菜单样式 */
nav {
    background-color: white;
    color: black;
    text-align: center; /* 居中对齐 */
}

.menu {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    display: inline-flex; /* 使用内联Flex布局 */
}

.menu li {
    list-style-type: none;
    position: relative;
}

.menu a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: black;
}

.menu a:hover {
    background-color: #0056b3;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 100%;
}

.menu li:hover .submenu {
    display: block;
}

.submenu a {
    padding: 10px 20px;
}

.submenu a:hover {
    background-color: #0056b3;
}




col_news_head {
    
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #f4f4f4;
}

.col_metas {
    list-style-type: none; /* 隐藏项目符号 */
    display: flex;
    align-items: center;
}

.col_title{
    color: #0056b3;
    margin-right: auto;
}

.path_name {
    margin-right: 5px;
}

.possplit {
    margin: 0 5px;
}

.col_path  {
    
    margin-left: auto;
}